import re

def sanitize(time:str)->str:
    newtime = re.sub('[-.]', ':', time)
    return newtime

mins = [1, 2, 3]
secs = [min * 6 for min in mins]
print(secs)

lower = ["I", " don't", "like", "spam"]
upper = [s.upper() for s in lower]
print(upper)

dirty = ['2-22', '2:32', "2.42"]
clean = [sanitize(t) for t in dirty]
print(clean)

